Q3:- A liquid whose coefficient of viscosity is µ flows below the critical velocity for laminar flow in a circular pipe of diameter d and with mean velocity u. Show that the pressure loss in a length of pipe is 32u u/d. Oil of viscosity 0.05 kg/m.s flows through a pipe of diameter 0.1m with a velocity of 0.6m/s. Calculate the loss of pressure in a length of 120m.

Q3:- A liquid whose coefficient of viscosity is µ flows below the critical velocity for laminar flow in a circular pipe of diameter d and with mean velocity u. Show that the pressure loss in a length of pipe is 32u u/d. Oil of viscosity 0.05 kg/m.s flows through a pipe of diameter 0.1m with a velocity of 0.6m/s. Calculate the loss of pressure in a length of 120m.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

An oil having viscosity 0.08 N S/m², Specific weight 8829 N/m, density 900 kg/m flow at the rate of 5410 m/sec through a horizontal circular pipe of 0.12 m diameter and length 150 m. Find, (a) Pressure difference in 150 m length in kN/m² (b)Wall shear stress in N/m² (c) Average, and maximum velocity.
1. in a section of horizontal piper with a diameter of 3cm the pressure is 5.21 kpa and water is flowing with a speed of 1.50m/s. the pipe narrows to 2.50cm. what is the pressure in the narrower region if water behaves like an ideal fluid of sensity 1000kg/m3 2. tensile stress a. the ratio of elasic modules to strain b. the applied force per crosssectional area c. the ratio of change in length to the orig length d. the strain per unit legth e. the same as force
Q1: In a venturemeter used for measuring the flow ofoil (-0.85) through a horizontal pipeline, the pipe diameter is 2.4 times the diameter at the throat. Connections are made from the entrance to the meter and the throat to a vertical L tube containing mercury If the difference level between the fluids in the U - tube arms is (x +) in em, where S.N. is student serial number. Neglect friction in the pipe. Find an expression in terms of x for the velocity of the oil in the pipe.
A crude oil of kinematic viscosity 0.4 stoke is flowing through a pipe of diameter 300 mm at the rate of 300 L/s. find the head lost due to friction for a length of 50 m of smooth pipe? .............
1. Assume a horizontal shaft handling water at 65 deg C (Pv=2.503 KPa, Density=980.5 m3/kg). The suction nozzle is 4.35 m below the pump centerline and the pressure gauge reading at this point is 221Kpag. Determine the NPSHa if the head loss is 0.82 m. If the NPSHr is 3m less than the NPSHa you got on question number 1, determine the pump suction specific speed at pump rotating at 1800rpm and Q=500gpm
Water is flowing at the rate of 1.676 m/s in a 3.068 inches’ diameter horizontal pipe at apressure p1 of 68.9 kPa. It then passes to a pipe having an inside diameter of 2.067 inch. Thedensity of the water is 998 kg/m3.a) Calculate the new pressure p2 in the 2.067inch pipe. Assume no friction losses.b) If the piping is vertical and the flow is upward, calculate the new pressure p2. The pressure tap for p2 is 0.457 m above the tap for p1.c) Compare and discuss your answers in 2 (a) and 2(b).
Problem 5: A fluid flows by gravity down an 8-cm galvanized ironpipe. The pressures at the higher and lower locations are 120 kPaand 140 kPa, respectively. The horizontal distance between thetwo locations is 30 m, and the pipe has a slope of 1-m rise per10 m of run (horizontal distance). For a fluid with a kinematicviscosity of 10-6 m2/s and a density of 900 kg/m3, determinethe flow rate (in m3/s).
A fluid flows at 455 m3 per min inside a rectangular duct, whose cross-section has a length of 150 cm and width of 85 cm. What is the average velocity of the flow in m/s ?
Oil of specific gravity 0.70 and dynamic viscosity of 0.05Pa-s flows at a rate of 100lit/sec through a 80m of 150mm diameter pipe. If the head lost is 4m, determine the reynolds number, maximum velocity in m/s, maximum shear stress in Pa , Velocity 40mm from centerline of pipe in m/s.
A viscous Newtonian fluid is flowing in a horizontal rectangular duct with dimensions, L=10 m, W=1 m and H=10 cm as shown in the diagram below. The volumetric flow rate of the fluid is 0.40 m3/s, the viscosity is 0.5 Pa s and the density 1.26 g/cm3. Calculate the pressure drop in the rectangular duct (in KPa)
For the piping system of Fig. , all pipes are concretewith a roughness of 0.04 in. Neglecting minor losses, computethe overall pressure drop p1 - p2 in lbf/in2 ifQ =20 ft3/s. The fluid is water at 20°C.
Provide one question and its solution involving an external flow of fluid .